15718480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3295

約数の個数: 40

約数和(自身を含む): 37156104

約数和(自身を除く): 21437624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3221, 4880, 6442, 12884, 16105, 25768, 32210, 51536, 64420, 128840, 196481, 257680, 392962, 785924, 982405, 1571848, 1964810, 3143696, 3929620, 7859240, 15718480]

約数ペア:

[(1, 15718480), (2, 7859240), (4, 3929620), (5, 3143696), (8, 1964810), (10, 1571848), (16, 982405), (20, 785924), (40, 392962), (61, 257680), (80, 196481), (122, 128840), (244, 64420), (305, 51536), (488, 32210), (610, 25768), (976, 16105), (1220, 12884), (2440, 6442), (3221, 4880)]